Interpretation Conflict

Overview fast-uri is a Dependency-free RFC 3986 URI toolbox Affected versions of this package are vulnerable to Interpretation Conflict due to malformed authority introducer handling in parseWithStatus and resolve in index.js. An attacker can bypass host-based URL checks and steer requests to an...

@activepieces/piece-ai (>=0.3.1, <=0.3.4), @donadiosolutions/lcm (1.4.2) +10 more potentially affected by CVE-2026-18446 via fast-uri (>=3.0.1, <=3.1.4)

fast-uri NPM version =3.0.1, =0.3.1, =1.2.0, =5.4.3, =0.1.0, =1.0.0, =1.0.0, =1.25.0, =0.1.5, =0.1.0, =2.2.0, =2.3.1 Source cves: CVE-2026-18446 Source advisory: SNYK:JS-FASTURI-18506908...

@datastream/validate (>=0.0.4, <=0.0.38), @dearmrzhang/customs-mcp-server (>=0.1.2, <=1.1.0) +15 more potentially affected by CVE-2026-18446 via fast-uri (>=2.1.0, <=2.3.0)

fast-uri NPM version =2.1.0, =0.0.4, =0.1.2, =0.0.1, =0.0.1, =3.1.0-rc.0, =0.2.0, =0.2.0, =0.2.0, =0.0.1, =0.0.0, =1.0.0, =3.0.0, =1.7.0, =1.8.0 and more Source cves: CVE-2026-18446 Source advisory: SNYK:JS-FASTURI-18506908...

Interpretation Conflict

Overview org.webjars.npm:fast-uri is a Dependency-free RFC 3986 URI toolbox Affected versions of this package are vulnerable to Interpretation Conflict due to malformed authority introducer handling in parseWithStatus and resolve in index.js. An attacker can bypass host-based URL checks and steer...

CVE-2026-18446

fast-uri before 4.1.2, 3.1.5, and 2.4.4 requires a literal double forward slash to recognize a URI authority, so a reference that uses a backslash based introducer in place of it backslash backslash, forward slash backslash, or backslash forward slash is parsed with no authority and folds into th...

UBUNTU-CVE-2026-18446

fast-uri before 4.1.2, 3.1.5, and 2.4.4 requires a literal double forward slash to recognize a URI authority, so a reference that uses a backslash based introducer in place of it backslash backslash, forward slash backslash, or backslash forward slash is parsed with no authority and folds into th...

CVE-2026-18446

fast-uri before 4.1.2, 3.1.5, and 2.4.4 requires a literal double forward slash to recognize a URI authority, so a reference that uses a backslash based introducer in place of it backslash backslash, forward slash backslash, or backslash forward slash is parsed with no authority and folds into th...

Security Bulletin: IBM App Connect Enterprise is vulnerable to multiple vulnerabilities due to multiple Node.js modules

Summary IBM App Connect Enterprise runtime, IBM App Connect Enterprise Discovery Connectors and IBM App Connect Enterprise Connector Discovery and OpenAPI Editor are vulnerable to multiple vulnerabilities due to Node.js modules undici, js-yaml, fast-uri, protobufjs and @opentelemetry/core...

CVE-2026-18446 fast-uri vulnerable to host confusion via backslash authority introducer

fast-uri before 4.1.2, 3.1.5, and 2.4.4 requires a literal double forward slash to recognize a URI authority, so a reference that uses a backslash based introducer in place of it backslash backslash, forward slash backslash, or backslash forward slash is parsed with no authority and folds into th...

CVE-2026-18446 fast-uri vulnerable to host confusion via backslash authority introducer

fast-uri before 4.1.2, 3.1.5, and 2.4.4 requires a literal double forward slash to recognize a URI authority, so a reference that uses a backslash based introducer in place of it backslash backslash, forward slash backslash, or backslash forward slash is parsed with no authority and folds into th...

CVE-2026-18446

CVE-2026-18446 affects the fast-uri library prior to versions 4.1.2, 3.1.5, and 2.4.4 . A backslash-based introducer can substitute for a literal double forward slash required to recognize a URI authority, causing fast-uri to misparse the host while Node’s WHATWG URL parser treats backslashes dif...

CVE-2026-18446 fast-uri vulnerable to host confusion via backslash authority introducer

fast-uri before 4.1.2, 3.1.5, and 2.4.4 requires a literal double forward slash to recognize a URI authority, so a reference that uses a backslash based introducer in place of it backslash backslash, forward slash backslash, or backslash forward slash is parsed with no authority and folds into th...

CVE-2026-18446

fast-uri before 4.1.2, 3.1.5, and 2.4.4 requires a literal double forward slash to recognize a URI authority, so a reference that uses a backslash based introducer in place of it backslash backslash, forward slash backslash, or backslash forward slash is parsed with no authority and folds into th...

CVE-2026-18209

A flaw was found in the keycloak-services component of Keycloak, which handles OpenID Connect OIDC authentication flows. The issue occurs because the security check designed to prevent HTTP parameter pollution only inspects the query portion of a redirect URL and ignores the fragment portion. Whe...

CVE-2026-18209

CVE-2026-18209 impacts the Keycloak service, specifically the component handling OpenID Connect (OIDC) flows. The flaw: the security check to prevent HTTP parameter pollution only examines the query string of a redirect URL, ignoring the fragment. With a wildcard redirect URI, an attacker can in...

CVE-2026-18209 Keycloak-services: keycloak-services: oidc redirect_uri fragment bypass in http parameter pollution check

A flaw was found in the keycloak-services component of Keycloak, which handles OpenID Connect OIDC authentication flows. The issue occurs because the security check designed to prevent HTTP parameter pollution only inspects the query portion of a redirect URL and ignores the fragment portion. Whe...

CVE-2026-18209 Keycloak-services: keycloak-services: oidc redirect_uri fragment bypass in http parameter pollution check

A flaw was found in the keycloak-services component of Keycloak, which handles OpenID Connect OIDC authentication flows. The issue occurs because the security check designed to prevent HTTP parameter pollution only inspects the query portion of a redirect URL and ignores the fragment portion. Whe...

Linux Distros Unpatched Vulnerability : CVE-2026-18446

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - fast-uri before 4.1.2, 3.1.5, and 2.4.4 requires a literal double forward slash to recognize a URI authority, so a reference that uses a backslash based...

PT-2026-66759

Name of the Vulnerable Software and Affected Versions fast-uri versions prior to 4.1.2 fast-uri versions prior to 3.1.5 fast-uri versions prior to 2.4.4 Description The software requires a literal double forward slash to recognize a URI authority. If a backslash-based introducer is used instead...

CVE-2026-18446: Interpretation Conflict

fast-uri before 4.1.2, 3.1.5, and 2.4.4 requires a literal double forward slash to recognize a URI authority, so a reference that uses a backslash based introducer in place of it backslash backslash, forward slash backslash, or backslash forward slash is parsed with no authority and folds into th...